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Breathable backing or release liner and process for forming the same

  • US 4,871,611 A
  • Filed: 06/23/1987
  • Issued: 10/03/1989
  • Est. Priority Date: 11/15/1985
  • Status: Expired due to Term
First Claim
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1. A breathable backing or release liner comprising a breathable, woven or non-woven support member having a silicone-release coating on essentially only one side thereof, said coating being formed by applying a radiation-curable composition containing a polysiloxane to one side of said support and exposing said composition to radiation such that said composition does not substantially penetrate said support, and said support member having a moisture vapor transmission rate greater than 250 g/sq.m./24 hrs./20°

  • C./80% RH and air permeability greater than 80 cu. ft./min./sq. ft.

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